Copyleaks vs Secur3D

Kostenlos / Open SourceZeroGPT is an AI content detection platform with a text AI detector, AI image and video detectors, AI humanizer, plagiarism checker, and a set of writing tools including paraphraser, summarizer, grammar checker, translator, and citation helper.

Kostenlos / Open SourceKI-Erkennung und Schreibnachweis für Schulen und Redaktionen

SpezialisiertBeinhaltet professionelles menschliches Korrektorat neben Plagiatsprüfungen, bietet jedoch keine native automatisierte KI-Inhaltserkennung.

Kostenlos / Open SourceUndetectable AI is a web platform that scans text for AI fingerprints and rewrites flagged passages so they read like natural human writing. It bundles an AI detector, an AI humanizer and a growing set of media authenticity tools in a single dashboard.

Kostenlos / Open SourceKI-Erkennung, Plagiatsprüfung und Content-Qualität in einem Scan

Kostenlos / Open SourceMehrsprachiger KI-Detektor mit Analyse auf Satzebene

Kostenlos / Open SourceWinston AI is an AI content detection suite that identifies text and images produced by generators like ChatGPT, Gemini, and Claude. Alongside its detector it offers plagiarism checking, an AI image and deepfake detector, writing feedback, and an API for embedding detection into other platforms.

Kostenlos / Open SourceEin KI-Detektor, der Belege zeigt statt nur eine Punktzahl

Kostenlos / Open SourcePräzise Plagiats- und KI-Erkennung für Schulen, Hochschulen und Teams

Quetext is an online writing-integrity platform built around its DeepSearch™ engine, combining a plagiarism checker, AI content detector, grammar checker, summarizer, humanizer, citation generator and paraphrasing assistant in one dashboard. It is used by students, teachers, copywriters and content teams to confirm that a piece of writing is original, human-written and properly sourced before it is submitted or published.

Kostenlos / Open SourceKostenloser KI-Inhaltsdetektor mit satzweiser Analyse

Rulta is a DMCA takedown and content-protection service for online creators. It monitors the web and major platforms for stolen, reuploaded or impersonated content and files removal notices on your behalf, so you can focus on creating instead of chasing leaks.